CDL
CDL is a trademark of its owner, which is not affiliated with and does not endorse Test Treasure Publication or TTP Prep.
CDL is a trademark of its owner, which is not affiliated with and does not endorse Test Treasure Publication or TTP Prep.
10 sample questions for the CDL, with the correct answer and an explanation for each. No account needed. Try each one before you open the answer.
Sections covered on the exam: General Information, Medicalandlegalrequirements, Licensedisqualificationsandrestrictions, Vehicleinspectionandsafety, Safedrivingpractices, Roadconditionsandweatherhazards, Handlingemergencies, Startingandstoppingthevehicle, Shiftinggearsandenginecontrol, Steeringandlanepositioning, Basics of Controlling Your Vehicle, Signalingandroadcommunication, Usinglightsandsignals, Visualsignalsandhandgestures, Handlingcommunicationfailures, Space Management, Communication, Spaceintrafficandturns, Spaceforspecialsituations, Hazardous Conditions, Passenger and School Bus, Handlinghazardsatnightandinlowvisibility, Air Brakes, Inspectingandusingairbrakes, Securingcargosafely, Cargo and Transport Vehicles, Handlinghazardousorunstableloads, Uniquehandlingcharacteristicsoftankers, Surgeandloadstability, Tankvehicleinspections, Vehicleconnectionandcoupling, Safetyproceduresforcombinationvehicles, Hazardous Materials, Tank Vehicles, Loadingandunloadinghazardousmaterials, Safedrivingpracticeswithhazardousmaterials, Passengertransportsafety, Schoolbusloadingandunloading, Railroadcrossings, Passengerbehaviorandsecurity, CDL Exam General Knowledge, Generallicensingrules, Pre-Tripinspectionandsafety, Shiftinggearsandspeedcontrol, Signalingandroadinteraction, Properuseofhornsandhazardlights, Lanechangesandblindspots, Spaceoncurves,Ramps,Anddowngrades, Spacearoundthevehicle, Weather-Relateddrivinghazards, Nightdrivingandlowvisibility, Inspectingandoperatingairbrakes, Usingairbrakesontheroad, Securingcargo, Specialcargohandlingrules, Surgeandvehiclecontrol, Tankconstructionandbaffles, Inspectionandsafety, Combination Vehicles (Doubles and Triples), Hazardclassesandplacarding, Shippingpapersandidentification, Specialhandlingandrouting, Passengervehicleoperation, Passengersafetyandemergencyprocedures, Schoolbusloading/Unloading, Studentmanagementandsecurity.
Question 1 · General Information
What does a Class A CDL allow a driver to operate?
Answer: C. Combination vehicles with a GCWR of 26,001 lbs or more
A Class A CDL permits the operation of combination vehicles, including tractor-trailers, with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the towed unit is over 10,000 pounds.
Question 2 · Steeringandlanepositioning
Which of the following is the safest method for turning a commercial vehicle?
Answer: C. Keep both hands on the wheel and take the turn wide
Wide turns allow larger vehicles to clear corners safely and reduce the chance of hitting curbs or pedestrians.
Question 3 · Hazardous Conditions
Which headlight setting should you use when driving in foggy conditions?
Answer: D. Low beams
High beams reflect off fog and reduce visibility. Low beams aim downward, helping you see the road better.
Question 4 · Cargo and Transport Vehicles
Which device is used to prevent forward movement of cargo in the event of a sudden stop?
Answer: D. Bulkhead
A bulkhead is a strong barrier placed in front of cargo to stop it from sliding forward during sudden stops or collisions.
Question 5 · Hazardous Materials
Which of the following materials would require a "placard" during transport?
Answer: A. Flammable liquids in large quantities
The U.S. Department of Transportation requires placards on vehicles carrying hazardous materials such as flammable liquids above specific threshold quantities.
Question 6 · General Information
What is the minimum weight of a towed vehicle that qualifies a combination as Class A?
Answer: B. 10,001 pounds
A Class A CDL is required if the combined GVWR is 26,001 lbs or more and the towed vehicle is over 10,000 lbs.
Question 7 · Steeringandlanepositioning
Which steering method provides the best control during tight turns?
Answer: C. Hand-over-hand
The hand-over-hand method offers precise control and is recommended for tight turns in large vehicles.
Question 8 · Weather-Relateddrivinghazards
When driving in heavy rain, the most effective way to prevent hydroplaning is to:
Answer: D. Reduce speed and avoid sudden movements
Slowing down and steering smoothly in wet conditions helps prevent hydroplaning and loss of control.
Question 9 · Securingcargo
Which of the following cargo types requires special attention due to rolling hazard?
Answer: D. Metal pipes
Round objects such as pipes must be chocked or blocked to prevent them from rolling during transit.
Question 10 · Hazardclassesandplacarding
Which of the following is a Class 1 hazardous material?
Answer: C. Explosives
Class 1 covers explosives, which pose a significant blast or detonation hazard and require strict transport regulations.
TTP Prep has 200 CDL practice questions with explanations, timed and mock-exam modes, 82 flashcards, interactive lessons, a printable cheat sheet and a readiness score. Start free, no card needed.
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